# Tousek TST100 vs Digimarc Validate

The clearest difference is update cadence: Digimarc Validate at monthly against Tousek TST100's every 4 months. Tousek TST100's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tousek TST100 ships an update every 4 months, Digimarc Validate monthly. Both last shipped on September 11, 2026.

## The numbers

| Metric | Tousek TST100 | Digimarc Validate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 36 MB | 46 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [tousek Ges.m.b.H](https://appshunter.io/developer/1599726875) | [Digimarc](https://appshunter.io/developer/348205304) |

## What reviewers say

### Tousek TST100

[App page](https://appshunter.io/ios/app/tousek-tst100/id6448426822)

**In-app purchases:** none


### Digimarc Validate

[App page](https://appshunter.io/ios/app/digimarc-validate/id6711345278)

**In-app purchases:** none


## Frequently asked questions

### Is Tousek TST100 free?

Tousek TST100 is free to download, with no in-app purchases.

### Is Digimarc Validate free?

Digimarc Validate is free to download, with no in-app purchases.

### Do Tousek TST100 or Digimarc Validate have ads?

Neither Tousek TST100 nor Digimarc Validate shows ads.

### Which is updated more often, Tousek TST100 or Digimarc Validate?

Tousek TST100 ships an update every 4 months, and Digimarc Validate monthly. Most recently, Tousek TST100 was updated on September 11, 2026 and Digimarc Validate on September 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*